Sep 17 14:38:49.436 INFO checking xi-rpc-0.2.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 14:38:49.436 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 14:38:49.436 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 14:38:49.692 INFO blam! e1d79ff23ef9f0da15e27857837f78cba825f813890de0e72b98399157997884
Sep 17 14:38:49.695 INFO running `"docker" "start" "-a" "e1d79ff23ef9f0da15e27857837f78cba825f813890de0e72b98399157997884"`
Sep 17 14:38:50.570 INFO kablam! usermod: no changes
Sep 17 14:38:50.639 INFO kablam!     Checking serde_json v0.9.10
Sep 17 14:38:52.287 INFO kablam!     Checking xi-rpc v0.2.0 (/source)
Sep 17 14:38:52.723 INFO kablam! warning: variable does not need to be mutable
Sep 17 14:38:52.723 INFO kablam!    --> src/lib.rs:326:13
Sep 17 14:38:52.723 INFO kablam!     |
Sep 17 14:38:52.723 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 17 14:38:52.723 INFO kablam!     |             ----^^^^
Sep 17 14:38:52.723 INFO kablam!     |             |
Sep 17 14:38:52.723 INFO kablam!     |             help: remove this `mut`
Sep 17 14:38:52.723 INFO kablam!     |
Sep 17 14:38:52.723 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 14:38:52.723 INFO kablam! 
Sep 17 14:38:52.728 INFO kablam! warning: variable does not need to be mutable
Sep 17 14:38:52.728 INFO kablam!    --> src/lib.rs:326:13
Sep 17 14:38:52.728 INFO kablam!     |
Sep 17 14:38:52.728 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 17 14:38:52.728 INFO kablam!     |             ----^^^^
Sep 17 14:38:52.728 INFO kablam!     |             |
Sep 17 14:38:52.728 INFO kablam!     |             help: remove this `mut`
Sep 17 14:38:52.728 INFO kablam!     |
Sep 17 14:38:52.728 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 14:38:52.728 INFO kablam! 
Sep 17 14:38:52.735 INFO kablam! warning: variable does not need to be mutable
Sep 17 14:38:52.735 INFO kablam!    --> src/lib.rs:393:9
Sep 17 14:38:52.735 INFO kablam!     |
Sep 17 14:38:52.735 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 17 14:38:52.735 INFO kablam!     |         ----^^^^^^^^
Sep 17 14:38:52.735 INFO kablam!     |         |
Sep 17 14:38:52.735 INFO kablam!     |         help: remove this `mut`
Sep 17 14:38:52.735 INFO kablam! 
Sep 17 14:38:52.735 INFO kablam! warning: variable does not need to be mutable
Sep 17 14:38:52.735 INFO kablam!    --> src/lib.rs:393:9
Sep 17 14:38:52.735 INFO kablam!     |
Sep 17 14:38:52.735 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 17 14:38:52.735 INFO kablam!     |         ----^^^^^^^^
Sep 17 14:38:52.735 INFO kablam!     |         |
Sep 17 14:38:52.735 INFO kablam!     |         help: remove this `mut`
Sep 17 14:38:52.735 INFO kablam! 
Sep 17 14:38:53.102 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
Sep 17 14:38:53.106 INFO kablam! su: No module specific data is present
Sep 17 14:38:53.861 INFO running `"docker" "rm" "-f" "e1d79ff23ef9f0da15e27857837f78cba825f813890de0e72b98399157997884"`
Sep 17 14:38:53.945 INFO blam! e1d79ff23ef9f0da15e27857837f78cba825f813890de0e72b98399157997884